Diphosphorus pentoxide is a gas produced each time you strike a match. What is the mass of 2.57 L of this gas at STP?

In an exothermic reaction the bonding energy of the product is: less than the reactants same as the reactants greater than the reactants dependent upon the presence of a catalyst

Suppose a lab group reports a ppercent yield of sand of 105. is it really possible to collect more sand than was originally represented? what is the possible explanation for the extra product?

Light waves travel than sound waves.